/**
 * 工具类
 */
class Util {

//  获取两天后是周几
  static String getWeekDay() {
    var now = new DateTime.now();
    var sixtyDaysFromNow = now.add(new Duration(days: 2));
    switch (sixtyDaysFromNow.weekday) {
      case 1:
        return "周一";
      case 2:
        return "周二";
      case 3:
        return "周三";
      case 4:
        return "周四";
      case 5:
        return "周五";
      case 6:
        return "周六";
      case 7:
        return "周日";
    }
    return null;
  }
}
